Which vehicles does the Doug's Headers D590 fit?

Fits 1968 to 1972 Pontiac GTO, LeMans, Tempest. Requires removal or modification of locking steering columns if equipped.; Some factory heads do not have end bolt holes and should be drilled and tapped to assure proper sealing.; Fits D-Port heads Only.; Full-length; Metallic Ceramic Coated

How much is shipping and when does it ship?

It ships tomorrow. Ground shipping in Canada is free on orders of $100 and up, $9.99 under that.

Can Northern Performance install it?

Yes. Buy it online and have us install it at our Service Centre. The Service Centre is at 1164 Walkers Line, Burlington, Ontario.

Doug's Headers Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector Silver Ceramic Coated for Pontiac

Mfg Part #: D590
NP#: DOUD590
Brand
Fitment Note: Requires removal or modification of locking steering columns if equipped.; Some factory heads do not have end bolt holes and should be drilled and tapped to assure proper sealing.; Fits D-Port heads Only.; Full-length; Metallic Ceramic Coated

Fits 1968 to 1972 Pontiac GTO, LeMans, Tempest. See every vehicle

3/8" Thick machined flanges to prevent warping
Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
Heavy duty 16-gauge tubing for long life
Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating

$1,626.99 CAD Ships tomorrow

Free shipping in Canada, ships tomorrow

Availability:

Book installation at our Service Centre

Does this fit your vehicle?

Does not fit a 2021 Ram 1500. See what it does fit.

Description

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.

Collector Attachment	3-Bolt Flange
Collector Diameter	3.0 in
Collector Port Diameter	3.0 in
Color	Silver
Cylinder Head Port Shape	D-port
Design	Full-length
EGT Port	No
EmissionFullDES	4 - This Product is considered a Replacement Part per CARB and EPA regulations for emissions compliance and is legal for sale and use on specified vehicles in all 50 states as stated in Manufacturer’s Application Guide and Installation Instructions.
Finish	Metallic Ceramic Coated
Flange Thickness	0.375 in
Gasket Or Seal Included	Yes
Gaskets Included	Yes
Grade Type	Performance
Header Material	Steel
Header Style	Full-length
Material	Steel
Mounting Hardware Included	Yes
Oxygen Sensor Port	No
Port Shape	D-port
Primary Tube Outside Diameter	1.75 in
Primary Tubing Diameter	1.75 in
Sheen Level	Semi-Gloss
Tube Wall Thickness	16 ga.
Brand	Doug's Headers
Mfg part #	D590

Fits these vehicles

Year	Make	Model	Engine
1968 - 1969	Pontiac	GTO	6.6L 400 V8
1970 - 1972	Pontiac	GTO	6.6L 400 V8, 7.5L 455 V8
1968 - 1969	Pontiac	LeMans	5.7L 350 V8, 6.6L 400 V8
1970 - 1972	Pontiac	LeMans	5.7L 350 V8, 6.6L 400 V8, 7.5L 455 V8
1968 - 1970	Pontiac	Tempest	5.7L 350 V8, 6.6L 400 V8

Doug's Headers Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector Silver Ceramic Coated for Pontiac

Does this fit your vehicle?

Description

Fits these vehicles

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